US6188954B1 - Internal combustion engine with electronic components controlled from a central unit - Google Patents

Internal combustion engine with electronic components controlled from a central unit Download PDF

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Publication number
US6188954B1
US6188954B1 US09/113,169 US11316998A US6188954B1 US 6188954 B1 US6188954 B1 US 6188954B1 US 11316998 A US11316998 A US 11316998A US 6188954 B1 US6188954 B1 US 6188954B1
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US
United States
Prior art keywords
internal combustion
combustion engine
electronic components
central unit
electromagnetic waves
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/113,169
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English (en)
Inventor
Gerhard Hettich
Jürgen Schenk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler Benz AG
Conti Temic Microelectronic GmbH
Original Assignee
Daimler Benz AG
Temic Telefunken Microelectronic GmbH
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Assigned to TEMIC TELEFUNKEN MICROELECTRONIC GMBH, DAIMLER-BENZ AKTIENGESELLCHAFT reassignment TEMIC TELEFUNKEN MICROELECTRONIC GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HIETTICH, HERHARD, SCHENK, JURGEN
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0239—Electronic boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings

Definitions

  • the invention relates to an internal combustion engine with electronic components controlled from a central unit and arranged together with the central unit in a fully enclosed metal part of the internal combustion engine.
  • Modern internal combustion engines are controlled to an increasing extent electronically and require a number of electronic components for this purpose, in particular sensors, actuators and associated control units.
  • sensors include, for example, digital Hall sensors with which the rotational speed of the crankshaft can be determined.
  • actuators solenoid valves can be named with which the valve needle is controlled in fuel injectors.
  • the sensors and actuators are connected via supply lines to a voltage source and connected via control lines to a control unit or to a central unit. These supply and control lines are usually connected at both ends by means of plug contacts to the electronic components and to the control unit or central unit. In motor vehicles, the entire supply and control leads are grouped together to form the so-called cable tree.
  • the object of the invention is to specify an internal combustion engine with electronic components controlled from a central unit, where the number of electrical leads and thus the plug contacts between the electrical components and the control unit or the central unit of the internal combustion engine is significantly reduced.
  • the power to at least some of the electronic components is transmitted without cables by electromagnetic waves generated in a high-frequency source and radiated in a fully enclosed metal housing part of the internal combustion engine.
  • the electronic components concerned are provided with receiving devices for receiving the electromagnetic waves.
  • the high-frequency source arranged in the fully enclosed metal housing part can be a constituent part of the central unit.
  • the fully enclosed metal housing part of the internal combustion engine can be designed in such a way that the field strength of the electromagnetic waves at the receiving devices of the electronic components is high, i.e., that potential antinodes form at the receiving devices of the electronic components in the field strength curve of the electromagnetic wave.
  • the energy of the electromagnetic waves can additionally be supplied via waveguides to unfavorably placed electronic components with high power consumption within the fully enclosed metal housing part.
  • the energy can be transmitted without cable via loose transformer coupling, as known for example from DE 39 12 497, or by means of inductive coupling to electronic components placed at locations within the fully enclosed metal housing part of the internal combustion engine at which they cannot be reached by the electromagnetic waves.
  • supply leads can be avoided in the fully enclosed metal housing part of the internal combustion engine by making use of locally available potential gradients in order to obtain electrical energy for the supply of electronic components.
  • the wireless data transmission between the electronic components, the high-frequency source and the central unit can be utilized by means of loose transformer coupling, and/or inductive coupling, and/or IR sections, and/or optical waveguides and/or electromagnetic alternating fields of suitable frequency.
  • FIG. 1 is a schematic drawing of an internal combustion engine with a fully enclosed metal housing part formed by the valve cover.
  • FIG. 2 is a schematic drawing showing a modification of the arrangement of FIG. 1 .
  • FIGS. 1 and 2 show schematically a four-cylinder internal combustion engine for a motor vehicle with fuel injection.
  • the metal valve cover 1 of the internal combustion engine also encloses the four fuel injectors 3 - 6 and together with the cylinder head forms a hollow space that is fully enclosed by metal.
  • This hollow space is impermeable to electromagnetic waves, on the principle of the Faraday cage.
  • another device is provided in this hollow space as an additional electronic component for determining the rotational speed of the camshafts.
  • These electronic components are controlled by means of a central unit 2 which is also situated in the hollow space in an enclosed housing.
  • the central unit 2 is supplied with electricity through a supply lead from the generator of the internal combustion engine. Furthermore, the central unit 2 is connected via a CAN bus to other electrical modules belonging to the motor vehicle.
  • the voltage supply to the electronic components situated in the hollow space is accomplished by means of high-frequency electromagnetic waves generated and radiated within the hollow space formed by the cover 1 by a high frequency source 17 likewise beneath the cover 1 as shown in FIG. 2 .
  • the high frequency source 7 may likewise be disposed within the control unit 2 as shown in FIG. 1 .
  • These high-frequency electromagnetic waves are picked up by means of the receiving devices fitted to the electronic components e.g., the solenoid valves of the fuel injectors 2 - 6 , in the form of antennas and transformed to the voltage required by the respective electronic component.
  • the electronic components e.g., the solenoid valves of the fuel injectors 2 - 6 , in the form of antennas and transformed to the voltage required by the respective electronic component.
  • the metal valve cover 1 of the internal combustion engine is shaped in such a way that the high-frequency electromagnetic waves form a standing wave in the hollow space.
  • the intensity is low, but in the so-called potential antinode of the standing wave the intensity is high. Consequently, electronic components such as the solenoid valves of the fuel injectors 3 - 6 with their high power consumption are placed in the hollow space such that their antennas are located in the potential antinodes of the standing electromagnetic wave.
  • the intensity of the electromagnetic waves can be raised by supplying additional electromagnetic waves via waveguides 8 .
  • Data transmission from the central unit 2 to the fuel injectors 3 - 6 takes place without wires by means of an infrared (IR) data section.
  • the injection times which are calculated by the central unit 2 and which depend on the rotational speed, and the injection periods are transmitted to the fuel injectors 3 - 6 .
  • the central unit 2 has an IR diode as transmission element and the fuel injectors have a photocell as a receiving element.
  • Data transmission is effected directly or by reflection from metal parts of the hollow space.
  • Data transmission between the control unit 2 and other components, e.g., the high frequency source 7 may additional take place via an optical cable or wave guide 9 , as shown in FIG. 2 .
  • a coil is fitted to the crankshaft in which a voltage is induced magnetically.
  • An electrical circuit situated on the crankshaft is supplied with this voltage.
  • One part of the circuit consists of a transmitter that transmits signal pulses that are proportional to the rotational speed of the crankshaft.
  • a frequency is selected that differs from the frequencies of other electromagnetic radiation sources in the hollow space.
  • a device is provided on the housing of the central unit 2 for receiving the frequency of the transmitter. The central unit 2 determines the rotational speed of the crankshaft from the transmitted signal pulses.
  • the power and data transmission leads can be dispensed with by making use of various technologies.
  • the techniques of loose transformer coupling (transponder) or inductive coupling are available. Where the electronic components consume more power, energy can be transmitted through electromagnetic waves of appropriate wavelength.
  • the number of electrical leads for power and data transmission and of the associated plug connectors can be reduced in the first instance by making use of so-called ring circuits which not only supply voltage but also transmit data, for example by modulating the amplitude of the supply voltage (Smart Logic). Ring circuits of this kind can equally be combined with other data transmission techniques such as IR sections, magnetic induction or electromagnetic alternating fields.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Near-Field Transmission Systems (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
US09/113,169 1997-07-12 1998-07-10 Internal combustion engine with electronic components controlled from a central unit Expired - Fee Related US6188954B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19729959A DE19729959C5 (de) 1997-07-12 1997-07-12 Brennkraftmaschine mit von einer Zentraleinheit gesteuerten elektronischen Komponenten
DE19729959 1997-07-12

Publications (1)

Publication Number Publication Date
US6188954B1 true US6188954B1 (en) 2001-02-13

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US09/113,169 Expired - Fee Related US6188954B1 (en) 1997-07-12 1998-07-10 Internal combustion engine with electronic components controlled from a central unit

Country Status (4)

Country Link
US (1) US6188954B1 (de)
EP (1) EP0890484A3 (de)
JP (1) JPH11125144A (de)
DE (1) DE19729959C5 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050237169A1 (en) * 2004-04-22 2005-10-27 Hella Kgaa Hueck & Co. Device for reading out from sensors in the engine compartment of a motor-vehicle
US20060151035A1 (en) * 2003-03-15 2006-07-13 Bernd Karcher Module for a valve bank

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6386181B1 (en) * 1999-09-16 2002-05-14 Siemens Canada Limited Electronic throttle control system with wireless communication
DE10044266A1 (de) * 2000-09-07 2002-04-04 Daimler Chrysler Ag Elektrohydraulische Druckeinstellvorrichtung für Fahrzeugbremsanlagen
JP2003022492A (ja) * 2001-04-03 2003-01-24 Nsk Ltd ワイヤレスセンサ、センサ付軸受装置、及びセンサ付直動装置
DE10207014A1 (de) * 2002-02-19 2003-08-28 Pex Kabeltechnik Gmbh Fahrzeug
DE102007038412B4 (de) * 2007-08-14 2016-02-18 Continental Automotive Gmbh Vorrichtung zum Steuern und/oder Überwachen einer Komponente im Antriebssystem eines Kraftfahrzeugs
DE102014002628A1 (de) * 2014-02-27 2015-08-27 Sew-Eurodrive Gmbh & Co Kg Getriebe mit Gehäuseteil, Modul und Antennenleitung
JP6782953B2 (ja) * 2016-04-01 2020-11-11 国立大学法人豊橋技術科学大学 無線電力伝送システム
JP6973781B2 (ja) * 2017-08-28 2021-12-01 国立大学法人豊橋技術科学大学 無線電力伝送システム
CN113911052B (zh) * 2021-11-16 2023-10-31 安徽江淮汽车集团股份有限公司 一种轮胎内金属异物的检测方法及系统

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617841A (en) 1949-01-03 1952-11-11 Rca Corp Internal-combustion engine ignition
DE2207392A1 (de) 1972-02-17 1973-08-30 Bosch Gmbh Robert Zuendeinrichtung, insbesondere fuer eine brennkraftmaschine
US3934566A (en) 1974-08-12 1976-01-27 Ward Michael A V Combustion in an internal combustion engine
DE2924910A1 (de) 1979-06-20 1981-01-22 Selim Dipl Ing Mourad Vorrichtung zum zuenden von verbrennungsmotoren o.dgl. (zuendkerze)
WO1982000199A1 (en) 1980-07-08 1982-01-21 Eng Ass Inc Jodon Method and apparatus for measurement of engine ignition timing
EP0126985A1 (de) 1983-05-05 1984-12-05 Licentia Patent-Verwaltungs-GmbH Adapter zwischen einem Millimeterwellen-Sensor und einer handelsüblichen Zündkerze, insbesondere zur OT-Messung bei Otto-Motoren
US4637368A (en) * 1982-07-09 1987-01-20 Saab-Scania Aktiebolag Ignition system for an Otto-type four-stroke engine
DE3609069C2 (de) 1985-03-18 1988-07-21 Honda Giken Kogyo K.K., Tokio/Tokyo, Jp
US4938200A (en) * 1987-12-26 1990-07-03 Aisin Seiki Kabushiki Kaisha Ignition device
DE3912497A1 (de) 1989-04-15 1990-10-18 Daimler Benz Ag Gleichzeitige energie- und datenrueckuebertragung ueber lose transformatorische kupplung
DE4034578A1 (de) 1990-10-31 1992-05-07 Betr Forsch Inst Angew Forsch Drehuebertrager
DE4324500A1 (de) 1992-07-21 1994-01-27 Sanyo Electric Co Mikromaschinen
US5304899A (en) 1991-08-30 1994-04-19 Nippondenso Co., Ltd. Energy supply system to robot within pipe
US5749060A (en) * 1993-10-11 1998-05-05 Siemens Aktiengesellschaft Automatic transmission control for a motor vehicle

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617841A (en) 1949-01-03 1952-11-11 Rca Corp Internal-combustion engine ignition
DE2207392A1 (de) 1972-02-17 1973-08-30 Bosch Gmbh Robert Zuendeinrichtung, insbesondere fuer eine brennkraftmaschine
US3934566A (en) 1974-08-12 1976-01-27 Ward Michael A V Combustion in an internal combustion engine
DE2924910A1 (de) 1979-06-20 1981-01-22 Selim Dipl Ing Mourad Vorrichtung zum zuenden von verbrennungsmotoren o.dgl. (zuendkerze)
WO1982000199A1 (en) 1980-07-08 1982-01-21 Eng Ass Inc Jodon Method and apparatus for measurement of engine ignition timing
US4637368A (en) * 1982-07-09 1987-01-20 Saab-Scania Aktiebolag Ignition system for an Otto-type four-stroke engine
EP0126985A1 (de) 1983-05-05 1984-12-05 Licentia Patent-Verwaltungs-GmbH Adapter zwischen einem Millimeterwellen-Sensor und einer handelsüblichen Zündkerze, insbesondere zur OT-Messung bei Otto-Motoren
DE3609069C2 (de) 1985-03-18 1988-07-21 Honda Giken Kogyo K.K., Tokio/Tokyo, Jp
US4938200A (en) * 1987-12-26 1990-07-03 Aisin Seiki Kabushiki Kaisha Ignition device
DE3912497A1 (de) 1989-04-15 1990-10-18 Daimler Benz Ag Gleichzeitige energie- und datenrueckuebertragung ueber lose transformatorische kupplung
GB2232851A (en) 1989-04-15 1990-12-19 Daimler Benz Ag A method for synchronous data transmission
DE4034578A1 (de) 1990-10-31 1992-05-07 Betr Forsch Inst Angew Forsch Drehuebertrager
US5304899A (en) 1991-08-30 1994-04-19 Nippondenso Co., Ltd. Energy supply system to robot within pipe
DE4324500A1 (de) 1992-07-21 1994-01-27 Sanyo Electric Co Mikromaschinen
US5749060A (en) * 1993-10-11 1998-05-05 Siemens Aktiengesellschaft Automatic transmission control for a motor vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM Technical Disclosure Bulletin, vol. 32, No. 12, May 1990, S. 454 bis 456.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060151035A1 (en) * 2003-03-15 2006-07-13 Bernd Karcher Module for a valve bank
US7182102B2 (en) 2003-03-15 2007-02-27 Festo Ag & Co. Module for a valve bank
US20050237169A1 (en) * 2004-04-22 2005-10-27 Hella Kgaa Hueck & Co. Device for reading out from sensors in the engine compartment of a motor-vehicle
US7336160B2 (en) 2004-04-22 2008-02-26 Hella Kgaa Hueck & Co. Device for reading out from sensors in the engine compartment of a motor-vehicle

Also Published As

Publication number Publication date
JPH11125144A (ja) 1999-05-11
DE19729959A1 (de) 1999-01-14
EP0890484A2 (de) 1999-01-13
EP0890484A3 (de) 2000-05-03
DE19729959C2 (de) 2000-12-07
DE19729959C5 (de) 2006-06-08

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AS Assignment

Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HIETTICH, HERHARD;SCHENK, JURGEN;REEL/FRAME:011602/0630

Effective date: 19980723

Owner name: DAIMLER-BENZ AKTIENGESELLCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HIETTICH, HERHARD;SCHENK, JURGEN;REEL/FRAME:011602/0630

Effective date: 19980723

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Expired due to failure to pay maintenance fee

Effective date: 20050213